Does value-at-risk encourage diversification when losses follow tempered stable or more general Lévy processes? (Q481380)
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scientific article; zbMATH DE number 6380104
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Does value-at-risk encourage diversification when losses follow tempered stable or more general Lévy processes? |
scientific article; zbMATH DE number 6380104 |
Statements
Does value-at-risk encourage diversification when losses follow tempered stable or more general Lévy processes? (English)
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12 December 2014
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The author presents sufficient conditions for the portfolio selection, based on value-at-risk, to encourage diversification for the case when losses follow a Lévy process. These conditions are also necessary when the process has finite variation. The results are specified for the case of tempered stable distributions losses.
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value-at-risk
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diversification
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Lévy processes
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tempered stable distributions
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heavy tails
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0.7689133
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0.7671257
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0.7668947
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0.7668108
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0.76651233
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0.7651993
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0.76422715
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